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5. A conical-shaped reservoir has a depth of 20 feet and a radius of 10 feet. Water is leaking out so that the surface is 2 hr falling at the rate of - . Find the rate, in cubic feet per hour at which water is draining when the water is 8 feet deep. V = = ur2h. SHOW WORK. (5 points) Given : Oh C Find: De ; 1= 10, h = 8 : 37 ( 8(21(10)141 + 109 (4) ) 3 5 (80 +50 ) Equation : 3Arch = U (1 130/ 43 M - IT 100 . 20 = 2000 , 13 160 1 15 J rah - S